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Taking Advantage of Multicomponent R...

Stiernet, Pierre,

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Taking Advantage of Multicomponent Reactions for the Synthesis of Advanced Polymers and Porous Materials /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Taking Advantage of Multicomponent Reactions for the Synthesis of Advanced Polymers and Porous Materials // Pierre Stiernet.
作者:	Stiernet, Pierre,
面頁冊數:	1 electronic resource (261 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
Contained By:	Dissertations Abstracts International86-03B.
標題:	Polymers. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31350625
ISBN:	9798384146735

Taking Advantage of Multicomponent Reactions for the Synthesis of Advanced Polymers and Porous Materials /
Stiernet, Pierre,

Taking Advantage of Multicomponent Reactions for the Synthesis of Advanced Polymers and Porous Materials /Pierre Stiernet. - 1 electronic resource (261 pages)

Source: Dissertations Abstracts International, Volume: 86-03, Section: B.

Multicomponent reactions (MCRs) are highly efficient reactions involving more than two compounds which react together and form complex chemical structures containing essentially all atoms of the starting reagents. Applying MCRs in macromolecular science brings new functionalities to polymer structures in a straightforward way with high atom economy, especially when considering step-growth polymerization (MCP). The present thesis aims to further explore the potential of MCRs, in particular of the imine-based Ugi and Radziszewski reactions, for the design of novel functional polymers and structured materials. First, the combinatorial character of the Ugi four-component polymerization (U-4CP) of amino acid derivatives was exploited for the synthesis of a library of peptoid analogues. Some of the latter showed pH- and thermo-responsiveness as well as biocompatibility toward human cells making them candidates for stimuli-responsive biomaterials. Another Ugi-type reaction was adapted for step-growth polymerization, i.e. the Ugi three-component reaction (Ugi-3CR), allowing the incorporation of α-amino amide moieties in polymer structures. A series of aromatic and semiaromatic polymers was obtained accordingly which notably revealed pH-responsiveness. Eventually, the modified Radziszewski MCR (MR-3CR), a water-mediated reaction leading to imidazolium ionic liquids, was applied to triamine derivatives under emulsion-templating conditions for the first time to afford macroporous poly(ionic liquid)s networks. The resulting imidazolium acetate materials exhibited excellent catalytic activity for transesterification and decarboxylation reactions as well as easy recyclability. To further extend the scope of functional macroporous networks, the MR-3CR was combined in one-pot with emulsion-templating radical polymerization. This led to pure imidazolium and unprecedented bi-functional imidazolium/amine porous networks with tunable CO2 uptake capacity and CO2/N2 selectivity depending on the imidazolium content and the nature of its counterion. This synergistic effect makes them candidates for post-combustion and direct-air CO2capture applications. Overall, this work contributes to the quest for increasingly complex functional polymer structures while respecting a simpler and more efficient chemistry.

English

ISBN: 9798384146735Subjects--Topical Terms:

535398
Polymers.

Taking Advantage of Multicomponent Reactions for the Synthesis of Advanced Polymers and Porous Materials /
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520 $a Multicomponent reactions (MCRs) are highly efficient reactions involving more than two compounds which react together and form complex chemical structures containing essentially all atoms of the starting reagents. Applying MCRs in macromolecular science brings new functionalities to polymer structures in a straightforward way with high atom economy, especially when considering step-growth polymerization (MCP). The present thesis aims to further explore the potential of MCRs, in particular of the imine-based Ugi and Radziszewski reactions, for the design of novel functional polymers and structured materials. First, the combinatorial character of the Ugi four-component polymerization (U-4CP) of amino acid derivatives was exploited for the synthesis of a library of peptoid analogues. Some of the latter showed pH- and thermo-responsiveness as well as biocompatibility toward human cells making them candidates for stimuli-responsive biomaterials. Another Ugi-type reaction was adapted for step-growth polymerization, i.e. the Ugi three-component reaction (Ugi-3CR), allowing the incorporation of α-amino amide moieties in polymer structures. A series of aromatic and semiaromatic polymers was obtained accordingly which notably revealed pH-responsiveness. Eventually, the modified Radziszewski MCR (MR-3CR), a water-mediated reaction leading to imidazolium ionic liquids, was applied to triamine derivatives under emulsion-templating conditions for the first time to afford macroporous poly(ionic liquid)s networks. The resulting imidazolium acetate materials exhibited excellent catalytic activity for transesterification and decarboxylation reactions as well as easy recyclability. To further extend the scope of functional macroporous networks, the MR-3CR was combined in one-pot with emulsion-templating radical polymerization. This led to pure imidazolium and unprecedented bi-functional imidazolium/amine porous networks with tunable CO2 uptake capacity and CO2/N2 selectivity depending on the imidazolium content and the nature of its counterion. This synergistic effect makes them candidates for post-combustion and direct-air CO2capture applications. Overall, this work contributes to the quest for increasingly complex functional polymer structures while respecting a simpler and more efficient chemistry.
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